The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

You and target spell's controller bid life. You start the bidding with a bid of 1. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid. If you win the bidding, counter that spell.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Copy target instant or sorcery spell. You may choose new targets for the copy.

Add {R}{R}{R}{R}{R}.

As an additional cost to cast this spell, discard a card. Draw two cards.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Equipped creature has haste. Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. Equip {2}

Whenever a Dragon you control enters, put a gold counter on this artifact. {T}, Remove a gold counter from this artifact: Draw a card. {T}: Add one mana of any color.

Flash This spell costs {1} less to cast for each attacking creature you control. When Embercleave enters, attach it to target creature you control. Equipped creature gets +1/+1 and has double strike and trample. Equip {3}

{T}: Add three mana of any one color.

Red creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever equipped creature attacks, choose one — • Sort Inventory — Draw a card, then discard a card. • Pick a Perk — Put a +1/+1 counter on that creature. • Check Map — Untap up to two target lands. Equip {2}

Equipped creature has haste. (It can attack and {T} no matter when it came under your control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Whenever equipped creature deals combat damage to a player, you may draw a card. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Red spells you cast cost {1} less to cast.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{T}: Add {C}{C}.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}

Equipped creature gets +1/+1. As long as it's legendary, it gets an additional +2/+2. As long as it's red, it has trample. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+1 and has trample and "Whenever this creature deals combat damage to a player or planeswalker, create that many Treasure tokens." Equip {3}

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2}

{T}: Add {C}. {2}, {T}, Sacrifice this land: Return target artifact card from your graveyard to your hand.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

({T}: Add {R}.) This land enters tapped unless you control three or more other Mountains. When this land enters untapped, create a 1/1 red Dwarf creature token.

{T}: Add {C}. {T}: Choose target commander that entered this turn. Put a +1/+1 counter on it if it's a creature and a loyalty counter on it if it's a planeswalker.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it. {4}, {T}, Sacrifice this land: Put an indestructible counter on target God.

At the beginning of your end step, each player may put two +1/+1 counters on a creature they control. Goad each creature that had counters put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Whenever one or more modified creatures you control attack, untap all modified creatures you control. After this phase, there is an additional combat phase. This ability triggers only once each turn. (Equipment, Auras you control, and counters are modifications.)

First strike {T}: Add an amount of {R} equal to the greatest power among creatures you control that entered this turn. Partner (You can have two commanders if both have partner.)

Creatures you control have trample. Creatures your opponents control lose trample and can't have or gain trample.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, this creature deals 1 damage to any target.

First strike Boast abilities you activate cost {1} less to activate for each Dragon you control. Boast — {4}{R}: Create a 5/5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.)

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

Whenever a modified creature you control attacks, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.) Whenever you cast a spell from exile, put a +1/+1 counter on target creature you control.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.

Whenever Krenko attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Flying You don't lose unspent red mana as steps and phases end. When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature. Remove three +1/+1 counters from this creature: Add {R}{R}{R}.

Flying Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying, haste This creature enters with X +1/+1 counters on it.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Landfall — Whenever a land you control enters, create a colorless Equipment artifact token named Rock with "Equipped creature has '{1}, {T}, Sacrifice Rock: This creature deals 2 damage to any target'" and equip {1}. Partner (You can have two commanders if both have partner.)

When this creature enters, put a +1/+1 counter on target creature you control. {4}, {T}: Draw a card. This ability costs {1} less to activate for each modified creature you control. (Equipment, Auras you control, and counters are modifications.)

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Lava Coil deals 4 damage to target creature. If that creature would die this turn, exile it instead.

Add {R} for each tapped land your opponents control.

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Enchant creature Enchanted creature gets +1/+0 for each Mountain you control and has first strike.

Enchant creature Enchanted creature gets +1/+1 and has flying, haste, and "{1}: This creature gets +1/+0 until end of turn." It's a Dragon in addition to its other types. When enchanted creature dies, return this card to its owner's hand.

Commander creatures you own have "At the beginning of your end step, if a source you controlled dealt 5 or more damage this turn, create a 4/4 red Dragon creature token with flying."

Enchant creature When this Aura enters, draw a card. Enchanted creature has "{R}: This creature gets +1/+0 until end of turn."

At the beginning of combat on your turn, choose one — • Target creature you control gets +2/+0 until end of turn. • Target creature you control gains menace and haste until end of turn.

Creatures you control have menace. (They can't be blocked except by two or more creatures.)

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")